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Finding the Fourth Proportional to 110,577.60, 165,866.40 and 98,330.40

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Solution

The fourth proportional to 110,577.60, 165,866.40 and 98,330.40 is: 147,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,577.60 : 165,866.40 = 98,330.40 : x
  2. Step 2: Convert to fraction form
    110,577.60/165,866.40 = 98,330.40/x
  3. Step 3: Cross multiply
    110,577.60x = 165,866.40 × 98,330.40
  4. Step 4: Simplify right side
    110,577.60x = 16,309,709,458.56
  5. Step 5: Solve for x
    x = 16,309,709,458.56/110,577.60
  6. Step 6: Final answer
    x = 147,495.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.